Day 1 of Learning React: Why React Exists, the Real DOM, Virtual DOM & React Elements
SMRTR summary
A beginner documents Day 1 of learning React, focusing on the core question of why React was built. Starting from the pain points of manually manipulating the DOM, it covers React's key mental model — UI as a function of state — plus the differences between the Real DOM, React Elements, and the Virtual DOM, and how React efficiently handles updates.
SMRTR provides this summary for quick context. The original article belongs to Dev.to.
Read the original article